child_process: clean event listener correctly

I was working on AbortSignal for spawn and noticed there is a leak in
the current code for AbortSignal support in child_process since it
removes the wrong listener. I used the new signal as argument feature
to make removing the listener easier and added a test.

PR-URL: https://github.com/nodejs/node/pull/36424


Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>